Christian E.O. Jensen
Encyclopedia
Christian Erasmus Otterstrøm Jensen (1859-1941) was a Danish
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

 pharmacists and botanist - for decades a leading bryologist
Bryology
Bryology is the branch of botany concerned with the scientific study of bryophytes . Bryophytes were first studied in detail in the 18th century...

 in Scandinavia
Scandinavia
Scandinavia is a cultural, historical and ethno-linguistic region in northern Europe that includes the three kingdoms of Denmark, Norway and Sweden, characterized by their common ethno-cultural heritage and language. Modern Norway and Sweden proper are situated on the Scandinavian Peninsula,...

. He studied botany
Botany
Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...

 and pharmaceutics
Pharmaceutics
Pharmaceutics is the discipline of pharmacy that deals with all facets of the process of turning a new chemical entity into a medication able to be safely and effectively used by patients in the community. Pharmaceutics is the science of dosage form design...

 at the University of Copenhagen
University of Copenhagen
The University of Copenhagen is the oldest and largest university and research institution in Denmark. Founded in 1479, it has more than 37,000 students, the majority of whom are female , and more than 7,000 employees. The university has several campuses located in and around Copenhagen, with the...

 and the Pharmaceutical College
University of Copenhagen Faculty of Pharmaceutical Sciences
The Faculty of Pharmaceutical Sciences is a faculty of the University of Copenhagen. Originally The Danish University of Pharmaceutical Sciences, dating back to 1892, merged on 1 January 2007 with the University of Copenhagen....

 in Copenhagen
Copenhagen
Copenhagen is the capital and largest city of Denmark, with an urban population of 1,199,224 and a metropolitan population of 1,930,260 . With the completion of the transnational Øresund Bridge in 2000, Copenhagen has become the centre of the increasingly integrating Øresund Region...

. For the better part of his adult life, he ran a pharmacy in Hvalsø
Hvalsø
Hvalsø is a town and a former municipality in Region Sjælland on the island of Zealand in east Denmark. The former municipality covered an area of 72 km², and had a total population of 7,856 . Its last mayor was Virginia Holst, a member of the Venstre political party...

, Denmark
Denmark
Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

, while devoting all available time to the study of mosses.

Selected works

  • Jensen, C. (1885) Mosser fra Novaia Zemlia
    Novaya Zemlya
    Novaya Zemlya , also known in Dutch as Nova Zembla and in Norwegian as , is an archipelago in the Arctic Ocean in the north of Russia and the extreme northeast of Europe, the easternmost point of Europe lying at Cape Flissingsky on the northern island...

    , samlede paa Dijmphna Expeditionen 1882-83 af Th. Holm
    Theo Holm
    Herman Theodor "Theo" Holm was a Danish-American systematic botanist. He studied botany at the University of Copenhagen under professor Eugenius Warming and graduated 1880. He participated in the Danish Dijmphna expedition to the territory between Russia and the North Pole during the First...

    . In: Dijmphna-Togtets zoologiske-botaniske udbytte. Kjøbenhavn
    Copenhagen
    Copenhagen is the capital and largest city of Denmark, with an urban population of 1,199,224 and a metropolitan population of 1,930,260 . With the completion of the transnational Øresund Bridge in 2000, Copenhagen has become the centre of the increasingly integrating Øresund Region...

    .
  • Jensen, C. (1915-1923) Danmarks Mosser - Eller beskrivelse af de i Danmark
    Denmark
    Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

     med Færøerne
    Faroe Islands
    The Faroe Islands are an island group situated between the Norwegian Sea and the North Atlantic Ocean, approximately halfway between Scotland and Iceland. The Faroe Islands are a self-governing territory within the Kingdom of Denmark, along with Denmark proper and Greenland...

     fundne bryofyter. København, Gyldendalske Boghandel/Nordisk Forlag.
    • 1. Hepaticales, Anthocerotales og Sphagnales, 317 pp.
    • 2. Andreæales og Bryales, 569 pp.
  • Jensen, C. (1909) Musci asiae borealis: Beschreibung der von schwedischen Expeditionen nach Sibirien in den Jahren 1875 und 1876 gesammelten Moose mit Berücksichtigung aller früheren bryologischen Angaben für das russische Nord-Asien. Dritter Teil: Torfmoose. Kungliga Svenska Vetenskapsakademiens Handlingar, Vol. 44, No. 5.
  • Jensen, C. (1939) Skandinaviens Bladmosflora. København
    Copenhagen
    Copenhagen is the capital and largest city of Denmark, with an urban population of 1,199,224 and a metropolitan population of 1,930,260 . With the completion of the transnational Øresund Bridge in 2000, Copenhagen has become the centre of the increasingly integrating Øresund Region...

    .

Sources

Paulsen, Ove
Ove Paulsen
Ove Vilhelm Paulsen was a Danish botanist. He studeied at the University of Copenhagen under professor Eugen Warming. He was a keeper at the Botanical Museum of the University of Copenhagen from 1905 to 1920, when he became professor of botany at the Pharmaceutical College in Copenhagen, a...

(1941) Til Minde om Bryologen C. Jensen. Naturens Verden 1941.
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